# # U.S. Geological Survey # National Water Information System # Retrieved: 2024-04-24 22:17:16 EDT # # ---------------------------------- WARNING ---------------------------------------- # Some of the data that you have obtained from this U.S. Geological Survey database # may not have received Director's approval. Any such data values are qualified # as provisional and are subject to revision. Provisional data are released on the # condition that neither the USGS nor the United States Government may be held liable # for any damages resulting from its use. # # More data may be available offline. # For more information on these data, contact USGS Water Data Inquiries. # This file contains the annual peak streamflow data. # # This information includes the following fields: # # agency_cd Agency Code # site_no USGS station number # peak_dt Date of peak streamflow (format YYYY-MM-DD) # peak_tm Time of peak streamflow (24 hour format, 00:00 - 23:59) # peak_va Annual peak streamflow value in cfs # peak_cd Peak Discharge-Qualification codes (see explanation below) # gage_ht Gage height for the associated peak streamflow in feet # gage_ht_cd Gage height qualification codes # year_last_pk Peak streamflow reported is the highest since this year # ag_dt Date of maximum gage-height for water year (if not concurrent with peak) # ag_tm Time of maximum gage-height for water year (if not concurrent with peak # ag_gage_ht maximum Gage height for water year in feet (if not concurrent with peak # ag_gage_ht_cd maximum Gage height code # # Sites in this file include: # USGS 08181480 Leon Ck at IH 35, San Antonio, TX # # Peak Streamflow-Qualification Codes(peak_cd): # 1 ... Discharge is a Maximum Daily Average # 2 ... Discharge is an Estimate # 3 ... Discharge affected by Dam Failure # 4 ... Discharge less than indicated value, # which is Minimum Recordable Discharge at this site # 5 ... Discharge affected to unknown degree by # Regulation or Diversion # 6 ... Discharge affected by Regulation or Diversion # 7 ... Discharge is an Historic Peak # 8 ... Discharge actually greater than indicated value # 9 ... Discharge due to Snowmelt, Hurricane, # Ice-Jam or Debris Dam breakup # A ... Year of occurrence is unknown or not exact # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # C ... All or part of the record affected by Urbanization, # Mining, Agricultural changes, Channelization, or other # F ... Peak supplied by another agency # O ... Opportunistic value not from systematic data collection # R ... Revised # # Gage height qualification codes(gage_ht_cd,ag_gage_ht_cd): # 1 ... Gage height affected by backwater # 2 ... Gage height not the maximum for the year # 3 ... Gage height at different site and(or) datum # 4 ... Gage height below minimum recordable elevation # 5 ... Gage height is an estimate # 6 ... Gage datum changed during this year # 7 ... Debris, mud, or hyper-concentrated flow # 8 ... Gage height tidally affected # Bd ... Day of occurrence is unknown or not exact # Bm ... Month of occurrence is unknown or not exact # F ... Peak supplied by another agency # R ... Revised # # agency_cd site_no peak_dt peak_tm peak_va peak_cd gage_ht gage_ht_cd year_last_pk ag_dt ag_tm ag_gage_ht ag_gage_ht_cd 5s 15s 10d 6s 8s 33s 8s 27s 4s 10d 6s 8s 27s USGS 08181480 1985-06-07 3600 C 11.89 USGS 08181480 1986-06-04 11900 C 18.26 USGS 08181480 1987-06-11 21100 C 22.30 USGS 08181480 1988-09-17 2860 C 10.96 USGS 08181480 1989-04-19 1360 C 8.62 USGS 08181480 1990-07-16 5220 C 13.58 USGS 08181480 1991-04-05 3620 C 13.24 USGS 08181480 1991-12-21 15700 C 20.09 USGS 08181480 1993-05-06 12600 C 18.60 USGS 08181480 1994-04-28 994 C 8.22 USGS 08181480 1994-10-08 4630 C 13.01 USGS 08181480 1996-09-15 348 C 6.24 USGS 08181480 1997-06-22 27900 C 24.60 USGS 08181480 1998-08-23 2510 C 11.67 USGS 08181480 1998-10-17 93300 C 29.31 USGS 08181480 2000-06-10 1130 C 8.99 USGS 08181480 2000-11-03 7450 C 17.69 USGS 08181480 2002-07-02 19:30 45600 C 27.23 USGS 08181480 2002-10-24 3740 C 13.38 USGS 08181480 2004-06-29 2600 C 11.81 USGS 08181480 2004-11-22 19:45 18600 C 22.92 USGS 08181480 2006-05-05 12:45 3650 C 12.83 USGS 08181480 2007-08-17 01:45 38700 C 26.59 USGS 08181480 2008-08-20 10:45 1230 C 9.22 USGS 08181480 2009-09-22 17:15 393 C 6.55 USGS 08181480 2010-04-17 19:15 16300 C 22.16 USGS 08181480 2011-01-09 07:45 306 C 6.16 USGS 08181480 2011-10-09 14:30 4070 C 15.43 USGS 08181480 2013-05-25 13:30 50000 C 27.60 USGS 08181480 2014-05-26 23:15 1770 C 12.19 USGS 08181480 2015-05-24 07:30 2560 C 13.57 USGS 08181480 2015-10-30 20:00 10900 C 20.09 USGS 08181480 2017-08-07 19:00 2270 C 13.09 USGS 08181480 2018-09-09 21:45 10500 C 19.40 USGS 08181480 2019-06-30 19:45 1660 C 10.40 USGS 08181480 2019-10-25 14:00 1450 C 9.89 USGS 08181480 2021-07-06 16:15 31900 C 25.79 USGS 08181480 2021-10-14 09:30 8930 C 17.90 USGS 08181480 2023-04-21 12:45 2900 C 12.54